For most minor burns, the single most important step is cooling the area under cool running water for about 10 minutes. That one action reduces pain, limits how deep the damage spreads, and sets the stage for faster healing. Everything after that depends on how severe the burn is.
Cool the Burn Immediately
As soon as you’re burned, get the affected area under cool (not cold) running water for about 10 minutes. This draws heat out of the tissue and limits further damage. Cold water or ice might seem like they’d help more, but they’re actually too harsh and can aggravate already damaged skin. Stick with a comfortable cool temperature from the tap.
While cooling, remove any rings, bracelets, or tight clothing near the burn before swelling starts. If clothing is stuck to the burn, don’t pull it off. After cooling, loosely cover the area with a clean bandage or nonstick gauze. Over-the-counter pain relievers like acetaminophen or ibuprofen can help manage discomfort in the first few days.
What Not to Put on a Burn
Butter, cooking oil, toothpaste, and other greasy home remedies are some of the most common mistakes people make. Greasy substances trap heat against the skin, slowing its release and actually causing more damage from the retained heat. Ice and ice water carry a similar risk: they can further injure tissue that’s already vulnerable. Plain cool water is better than any of these.
If blisters form, leave them alone. The American Academy of Dermatology recommends not popping burn blisters because breaking that protective layer opens the door to infection. If a blister bursts on its own, don’t peel away the dead skin. Leave it in place as a natural shield and keep the area clean.
How to Tell What Kind of Burn You Have
Burns fall into three categories based on how deep the damage goes, and each one heals differently.
First-degree burns affect only the outer layer of skin. You’ll see redness and swelling, and the area will be painful, similar to a typical sunburn. These usually heal within a few days without scarring.
Second-degree burns go deeper into the underlying layer of skin. They cause redness, swelling, significant pain, and blistering. These can take up to three weeks to heal, and larger ones may scar.
Third-degree burns penetrate through the full thickness of skin. The burned area may look white, waxy, or blackened, and it may actually feel numb because the nerve endings are destroyed. These take more than three weeks to heal and always require professional medical care.
When a Burn Needs Emergency Care
Most small first-degree burns and minor second-degree burns (smaller than about 3 inches) can be treated at home. But certain burns need a hospital, and some need a specialized burn center. Get emergency medical attention for:
- Burns on the face, hands, feet, genitals, or over major joints
- Any third-degree burn larger than the size of your palm
- Large second- or third-degree burns covering a significant portion of the body, especially in children under 10 or adults over 50
- All electrical burns, including lightning injuries
- All chemical burns
- Any burn with signs of inhalation injury (difficulty breathing, soot around the nose or mouth)
Electrical burns deserve special attention because the visible damage on the skin is often just the surface of the problem. Electricity can injure muscles, blood vessels, nerves, and internal organs, including the heart and brain. Anyone who has been injured by contact with electricity should be evaluated by a healthcare professional, even if the external burn looks minor.
Signs a Burn Isn’t Healing Right
A burn that’s healing normally will gradually feel less painful and look progressively better over the first few days. Watch for these warning signs that something has gone wrong:
- The burn isn’t improving after a few days, or it looks worse
- Pain that’s more intense than you’d expect based on how the burn looks
- Oozing fluid or a foul smell coming from the wound
- Fever, increased swelling, dizziness, or skin around the burn that feels warmer than the surrounding area (all signs of infection)
- Over-the-counter pain medication isn’t providing relief
Caring for a Burn as It Heals
Once the initial injury is stabilized, keep the burn clean and lightly covered. Change bandages daily or whenever they get wet or dirty. A thin layer of petroleum jelly or aloe vera can keep the wound moist, which supports healing. Avoid tight wrapping that could stick to the wound or restrict circulation.
For deeper second-degree burns or any burn that leaves a visible mark, protecting the area from the sun is one of the most effective things you can do to minimize scarring. New and healing scar tissue is especially vulnerable to UV damage, which can cause permanent discoloration and worsen the scar’s appearance. Apply a broad-spectrum sunscreen with SPF 30 or higher to the area whenever it’s exposed to sunlight, and reapply every two hours when outdoors.
Silicone gel or silicone sheets are the best-studied option for flattening and fading burn scars. They work by creating a protective barrier that regulates moisture and temperature over the scar, preventing the overproduction of collagen that causes raised, lumpy scarring. For meaningful results, you’ll need to use them consistently for at least 12 hours a day over 8 to 12 weeks. If you’re using silicone gel alongside sunscreen, let the gel dry completely before layering sunscreen on top.